Method for continuous calcination of gypsum,申请号US19250053478-传众专利搜索

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发明名称	Method for continuous calcination of gypsum
摘要
申请公布号	US1798857(A)	申请公布日期	1931.03.31
申请号	US19250053478	申请日期	1925.08.31
申请人	TYLER ALVA W	发明人	TYLER ALVA W.
分类号	C04B11/02	主分类号	C04B11/02
代理机构		代理人
主权项
地址

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